<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<script type="text/javascript">
  var isChrome = window.navigator.userAgent.indexOf("Chrome") !== -1;
  if (isChrome) {
    pass;
  } else {
    alert("建议使用Chrome浏览器");
  }
</script>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>这里是标题</title>
</head>

   <frameset cols="8%,*"/>
      <frame src="left.html" name="left" id="left" frameborder="0" scrolling="no"/>
      <frame src="right.html" name="right1" id="right1"/>
   </frameset>

</html>